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Incidence of the subgroups of B3-lesions, malignant postsurgical results and PPV.
| B3-lesion | Incidence (%) | Malignant diagnosis after excision | PPV |
|---|---|---|---|
| LIN | 17 (16) | 5 | 0.29 |
| ADH | 32 (31) | 10 | 0.31 |
| PL | 24 (24) | 2 | 0.08 |
| FEA | 14 (13) | 2 | 0.14 |
| RS | 15 (14) | 4 | 0.27 |
| PT | 2 (2) | 0 | 0 |
| Total | 104 | 23 | 0.22 |
PPV, positive predictive value; LIN, lobular intraepithelial neoplasia; ADH, atypical ductal hyperplasia; PL, papillary lesion; FEA, flat epithelial atypia; RS, radial scar; PT, phyllodes tumor.
